This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAID160X50, with the same bore, stroke, output force, port and mounting, so it fits the same application. The SAI replacement keeps the same ISO 15552 mounting interface, bore, stroke, output force and accessories, so it drops straight into existing fixtures. It is the current-production version of this cylinder with an upgraded piston seal.
Airtac SID Series Double-Rod Cylinder SID160X50
The AirTAC Airtac SID Series Double-Rod Cylinder SID160X50 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø160mm bore and 50mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAID160X50, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ160 mm
- Stroke50 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAID160X50
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SID Series Double-Rod Cylinder SID160X50
The AirTAC SID160X50 is a discontinued ISO 15552 double-acting double-rod cylinder featuring a 40mm rod exiting both ends, yielding equal push and pull force of 9425N at 0.5MPa. It operates at 30-500mm/s with a G3/4 port and 50mm adjustable cushions. The direct replacement is the SAID160X50, matching the bore, stroke, and mounting interface.
The SAID upgrade introduces a two-piece Y-shaped piston seal for lower start-up pressure and longer life. Without a -S suffix, this SKU lacks a magnet and cannot accept sensors. Note that air cushions only decelerate; use an external rod lock or SAIL/BSAI variant for load holding.
Airtac SID Series Double-Rod Cylinder SID160X50 Technical Specifications
| Model | Airtac SID Series Double-Rod Cylinder SID160X50 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAID160X50 |
| Bore size | Ø160 mm |
| Stroke | 50 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2.0 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Adjustable, 50 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The SAID160X50 carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (@1.0 MPa) | 2050 kgf | |
The SAID160X50 produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SID Series Double-Rod Cylinder SID160X50
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 160 | Bore size in mm. |
| ×50 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Legacy SI-family variants: SID (double rod), SIJ (adjustable stroke) — each maps to its SAI equivalent (SID→SAID, SIJ→SAIJ). Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B).
Where the Airtac SID Series Double-Rod Cylinder SID160X50 Is Used
Equal-Force Stamping
Drives a stamping die where the return stroke must match the extension force, utilizing the 9425N output at 0.5MPa in both directions.
Dual-End Transfer
Uses the second protruding rod to push a part onto a parallel conveyor line while the primary rod retracts, saving space and cycle time.
Replacing the Airtac SID Series Double-Rod Cylinder SID160X50 with the SAID160X50
Replace the discontinued SID160X50 directly with the SAID160X50, reusing the exact ISO 15552 mounting hardware (Basic, FA, LB, TC). Choose a double-rod configuration when you need equal force both ways, anti-rotation stability, or a back rod to drive a second tool. Verify your force requirements: this 160mm bore delivers 9425N both ways at 0.5MPa, so step down to a 125mm bore (5734N) if lower, or up to a 200mm bore (15080N) if higher. This non-magnetic SKU cannot carry sensors. Because the 50mm stroke is under 300mm, side-load bending moments are minimal, but always ensure rigid guidance. For suspended loads, remember cushions only decelerate; add a pilot-operated check valve or external rod lock.
Replacement checklist
- ✓ Same ISO 15552 interface → SAID160X50
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SID Series Double-Rod Cylinder SID160X50 FAQ
Yes, the SID160X50 is discontinued. The direct replacement is the SAID160X50. It shares the exact ISO 15552 interface, 160mm bore, 50mm stroke, G3/4 port, and equal-both-ways force. The SAI upgrade features an improved two-piece Y-shaped piston seal for longer life and lower start-up pressure.
Force is equal both ways due to the double-rod design: 9425N at 0.5MPa, 13194N at 0.7MPa, and 16964N at 0.9MPa. The air port is G3/4, the rod is 40mm with an M36x2 thread, and speed is 30-500mm/s. It uses 50mm adjustable cushions at each end.
Related AirTAC SAI Cylinders
Request a Quote for the SAID160X50
Send us the quantity and destination. We confirm price, stock and lead time on the SAID160X50 replacement — usually within 7-8 hours.